The rankogram shows the probability of each preparation option being ranked best performing to worst performing. For example, intravenous antibiotics with oral antibiotics with or without enema (IV + OA ± E) has an 86% probability of being ranked best, 12.7% probability of being ranked second, and a less than 1% probability for the other options. In comparison, IV antibiotics (IV) alone has a 47% probability of being ranked third, 38% probability of being ranked fourth, 12% probability of being ranked fifth, 2.8% probability of being ranked sixth, and less than 1% probability of the other options. IVA indicates adequate IV antibiotics; MBP, mechanical bowel preparation; OA, oral antibiotics.